Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 132: | \[{28^{132}-1\over27}\] | 3 × 5 × 13 × 232 × 29 × 67 × 157 × 199 × 271 × 757 × 2377 × 27017 × 47221 × 135433 × 365773 × 6077039 × 50545507 × 212170597 × 7351568071<10> × 540610746853<12> × 23946685543873549601<20> × 425141076149786955572181811<27> × 7706813453617784235385223823868613127931241172803304944401<58> |